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Top Forums Shell Programming and Scripting How to check if a Port is accepting connections. Post 302341739 by vikings.svnit on Thursday 6th of August 2009 01:08:06 PM
Old 08-06-2009
How to check if a Port is accepting connections.

Hi,
I need to create a script which checks the availability of a particular service on a particular Port on HP-Unix. Is there any command in unix wherein we can check if any port is accepting the connections now.

Thanks,
Vihang.
 

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Mojo::IOLoop::Server(3pm)				User Contributed Perl Documentation				 Mojo::IOLoop::Server(3pm)

NAME
Mojo::IOLoop::Server - Non-blocking TCP server SYNOPSIS
use Mojo::IOLoop::Server; # Create listen socket my $server = Mojo::IOLoop::Server->new; $server->on(accept => sub { my ($server, $handle) = @_; ... }); $server->listen(port => 3000); # Start and stop accepting connections $server->start; $server->stop; DESCRIPTION
Mojo::IOLoop::Server accepts TCP connections for Mojo::IOLoop. EVENTS
Mojo::IOLoop::Server can emit the following events. "accept" $server->on(accept => sub { my ($server, $handle) = @_; ... }); Emitted safely for each accepted connection. ATTRIBUTES
Mojo::IOLoop::Server implements the following attributes. "accepts" my $accepts = $server->accepts; $server = $server->accepts(10); Number of connections to accept at once, defaults to 10. "reactor" my $reactor = $server->reactor; $server = $server->reactor(Mojo::Reactor::Poll->new); Low level event reactor, defaults to the "reactor" attribute value of the global Mojo::IOLoop singleton. METHODS
Mojo::IOLoop::Server inherits all methods from Mojo::EventEmitter and implements the following new ones. "listen" $server->listen(port => 3000); Create a new listen socket. Note that TLS support depends on IO::Socket::SSL and IPv6 support on IO::Socket::INET6. These options are currently available: "address" Local address to listen on, defaults to all. "backlog" Maximum backlog size, defaults to "SOMAXCONN". "port" Port to listen on. "tls" Enable TLS. "tls_ca" Path to TLS certificate authority file. "tls_cert" Path to the TLS cert file, defaults to a built-in test certificate. "tls_key" Path to the TLS key file, defaults to a built-in test key. "generate_port" my $port = $server->generate_port; Find a free TCP port, this is a utility function primarily used for tests. "start" $server->start; Start accepting connections. "stop" $server->stop; Stop accepting connections. SEE ALSO
Mojolicious, Mojolicious::Guides, <http://mojolicio.us>. perl v5.14.2 2012-09-05 Mojo::IOLoop::Server(3pm)
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